02-may-18 12:30:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 121.33 hours . Total airflow this filter = 13.88 cubic meters . Mean BC concentration of all lamps = 67 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.037 sen(zero) = 0.021 . ref(beam) = 2.357 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 68 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 573 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .947 sen(zero) = 0.021 . ref(beam) = 2.478 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 967 ng Mean aerosol black carbon concentration = 69 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 546 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.249 sen(zero) = 0.021 . ref(beam) = 1.698 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 923 ng Mean aerosol black carbon concentration = 66 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 578 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .878 sen(zero) = 0.021 . ref(beam) = 2.269 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 926 ng Mean aerosol black carbon concentration = 66 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 594 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .349 sen(zero) = 0.021 . ref(beam) = .812 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 944 ng Mean aerosol black carbon concentration = 68 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 585 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .685 sen(zero) = 0.021 . ref(beam) = 1.112 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 921 ng Mean aerosol black carbon concentration = 66 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 616 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.189 sen(zero) = 0.021 . ref(beam) = 1.152 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 888 ng Mean aerosol black carbon concentration = 64 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 650 ppm. --- Disk space = 2.541445E+08 bytes free: One entry at every 10 minutes. There is space for 108055 hours ( 4502 days) more data --- 02-may-18 12:30:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 02-may-18 12:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.074 ref(beam) = 2.417 . Lamp 2 (470 nm): sen(beam) = 1.649 ref(beam) = 2.617 . Lamp 3 (520 nm): sen(beam) = 2.036 ref(beam) = 1.779 . Lamp 4 (590 nm): sen(beam) = 1.293 ref(beam) = 2.307 . Lamp 5 (660 nm): sen(beam) = .503 ref(beam) = .863 . Lamp 6 (880 nm): sen(beam) = .894 ref(beam) = 1.161 . Lamp 7 (950 nm): sen(beam) = 1.500 ref(beam) = 1.201 ---